/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --icfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --traceabstraction.dfs.order.used.in.por BY_SERIAL_NUMBER --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL --traceabstraction.commutativity.condition.synthesis NONE -i ../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 03:48:35,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 03:48:35,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-16 03:48:35,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 03:48:35,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 03:48:35,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 03:48:35,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 03:48:35,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 03:48:35,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 03:48:35,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 03:48:35,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 03:48:35,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 03:48:35,379 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 03:48:35,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 03:48:35,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 03:48:35,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 03:48:35,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 03:48:35,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 03:48:35,381 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 03:48:35,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> BY_SERIAL_NUMBER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-16 03:48:35,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 03:48:35,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 03:48:35,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 03:48:35,623 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 03:48:35,623 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 03:48:35,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2025-04-16 03:48:36,892 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395e0fa57/ba0e5a19238e4ff6b0872d74cffa1ce6/FLAGc31f400ae [2025-04-16 03:48:37,128 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 03:48:37,129 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2025-04-16 03:48:37,137 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395e0fa57/ba0e5a19238e4ff6b0872d74cffa1ce6/FLAGc31f400ae [2025-04-16 03:48:37,943 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/395e0fa57/ba0e5a19238e4ff6b0872d74cffa1ce6 [2025-04-16 03:48:37,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 03:48:37,946 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 03:48:37,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 03:48:37,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 03:48:37,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 03:48:37,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:48:37" (1/1) ... [2025-04-16 03:48:37,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0bdd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:37, skipping insertion in model container [2025-04-16 03:48:37,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:48:37" (1/1) ... [2025-04-16 03:48:37,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 03:48:38,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 03:48:38,231 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 03:48:38,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 03:48:38,320 INFO L204 MainTranslator]: Completed translation [2025-04-16 03:48:38,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38 WrapperNode [2025-04-16 03:48:38,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 03:48:38,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 03:48:38,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 03:48:38,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 03:48:38,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,363 INFO L138 Inliner]: procedures = 177, calls = 32, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 416 [2025-04-16 03:48:38,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 03:48:38,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 03:48:38,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 03:48:38,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 03:48:38,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,376 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 03:48:38,383 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 03:48:38,383 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 03:48:38,383 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 03:48:38,384 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (1/1) ... [2025-04-16 03:48:38,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 03:48:38,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 03:48:38,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-16 03:48:38,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2025-04-16 03:48:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2025-04-16 03:48:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2025-04-16 03:48:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 03:48:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-16 03:48:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 03:48:38,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 03:48:38,439 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 03:48:38,536 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 03:48:38,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 03:48:38,966 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 03:48:38,967 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 03:48:38,967 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 03:48:39,209 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-16 03:48:39,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 03:48:39 BoogieIcfgContainer [2025-04-16 03:48:39,210 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-16 03:48:39,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-16 03:48:39,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-16 03:48:39,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-16 03:48:39,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 03:48:37" (1/3) ... [2025-04-16 03:48:39,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2180a093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:48:39, skipping insertion in model container [2025-04-16 03:48:39,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:48:38" (2/3) ... [2025-04-16 03:48:39,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2180a093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:48:39, skipping insertion in model container [2025-04-16 03:48:39,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.04 03:48:39" (3/3) ... [2025-04-16 03:48:39,215 INFO L128 eAbstractionObserver]: Analyzing ICFG qrcu-2.i [2025-04-16 03:48:39,226 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-16 03:48:39,227 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG qrcu-2.i that has 4 procedures, 279 locations, 291 edges, 1 initial locations, 4 loop locations, and 52 error locations. [2025-04-16 03:48:39,227 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-16 03:48:39,317 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-16 03:48:39,358 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 03:48:39,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-16 03:48:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 03:48:39,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-16 03:48:39,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-16 03:48:39,444 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-16 03:48:39,450 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == qrcu_reader2Thread1of1ForFork1 ======== [2025-04-16 03:48:39,455 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bea7f31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-16 03:48:39,456 INFO L341 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-04-16 03:48:39,705 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE === [qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-04-16 03:48:39,708 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 03:48:39,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1824968008, now seen corresponding path program 1 times [2025-04-16 03:48:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 03:48:39,714 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125866348] [2025-04-16 03:48:39,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 03:48:39,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 03:48:39,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-16 03:48:39,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-16 03:48:39,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 03:48:39,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 03:48:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 03:48:39,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 03:48:39,849 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125866348] [2025-04-16 03:48:39,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125866348] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 03:48:39,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 03:48:39,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-16 03:48:39,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120806874] [2025-04-16 03:48:39,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 03:48:39,854 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-16 03:48:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 03:48:39,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-16 03:48:39,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-16 03:48:39,869 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:39,872 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 03:48:39,873 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 44.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2025-04-16 03:48:39,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:42,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:42,367 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-16 03:48:42,367 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-04-16 03:48:42,368 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 03:48:42,368 INFO L85 PathProgramCache]: Analyzing trace with hash 188672632, now seen corresponding path program 1 times [2025-04-16 03:48:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 03:48:42,368 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567805041] [2025-04-16 03:48:42,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 03:48:42,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 03:48:42,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-04-16 03:48:42,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-04-16 03:48:42,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 03:48:42,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-16 03:48:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-16 03:48:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-16 03:48:42,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567805041] [2025-04-16 03:48:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567805041] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-16 03:48:42,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-16 03:48:42,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-16 03:48:42,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135875592] [2025-04-16 03:48:42,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-16 03:48:42,462 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-16 03:48:42,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-16 03:48:42,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-16 03:48:42,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-16 03:48:42,462 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:42,465 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-16 03:48:42,466 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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) [2025-04-16 03:48:42,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:42,466 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-16 03:48:43,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-16 03:48:43,587 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-16 03:48:43,587 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE === [qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE, qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-04-16 03:48:43,587 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-16 03:48:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash -863224417, now seen corresponding path program 1 times [2025-04-16 03:48:43,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-16 03:48:43,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515438907] [2025-04-16 03:48:43,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-16 03:48:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-16 03:48:43,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-16 03:48:43,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-16 03:48:43,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 03:48:43,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 03:48:43,641 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-16 03:48:43,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-16 03:48:43,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-16 03:48:43,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-16 03:48:43,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-16 03:48:43,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-16 03:48:43,709 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-16 03:48:43,710 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location qrcu_reader2Err4ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-04-16 03:48:43,711 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err12ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err5ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err8ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err7ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err6ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err11ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err10ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err9ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err3ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-04-16 03:48:43,712 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location qrcu_reader2Err2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-04-16 03:48:43,712 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-16 03:48:43,719 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-16 03:48:43,720 INFO L320 ceAbstractionStarter]: Result for error location qrcu_reader2Thread1of1ForFork1 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2025-04-16 03:48:43,814 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-16 03:48:43,814 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-16 03:48:43,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-16 03:48:43,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 03:48:43 BasicIcfg [2025-04-16 03:48:43,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-16 03:48:43,826 INFO L158 Benchmark]: Toolchain (without parser) took 5879.74ms. Allocated memory was 155.2MB in the beginning and 562.0MB in the end (delta: 406.8MB). Free memory was 109.5MB in the beginning and 407.7MB in the end (delta: -298.2MB). Peak memory consumption was 107.1MB. Max. memory is 8.0GB. [2025-04-16 03:48:43,826 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 03:48:43,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.76ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 84.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-04-16 03:48:43,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.06ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 81.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 03:48:43,826 INFO L158 Benchmark]: Boogie Preprocessor took 19.44ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 03:48:43,827 INFO L158 Benchmark]: IcfgBuilder took 826.46ms. Allocated memory is still 155.2MB. Free memory was 79.5MB in the beginning and 75.4MB in the end (delta: 4.2MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. [2025-04-16 03:48:43,827 INFO L158 Benchmark]: TraceAbstraction took 4614.18ms. Allocated memory was 155.2MB in the beginning and 562.0MB in the end (delta: 406.8MB). Free memory was 74.6MB in the beginning and 407.7MB in the end (delta: -333.1MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. [2025-04-16 03:48:43,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 373.76ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 84.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.06ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 81.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.44ms. Allocated memory is still 155.2MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 826.46ms. Allocated memory is still 155.2MB. Free memory was 79.5MB in the beginning and 75.4MB in the end (delta: 4.2MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4614.18ms. Allocated memory was 155.2MB in the beginning and 562.0MB in the end (delta: 406.8MB). Free memory was 74.6MB in the beginning and 407.7MB in the end (delta: -333.1MB). Peak memory consumption was 73.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 4783, independent: 4767, independent conditional: 48, independent unconditional: 4719, dependent: 16, dependent conditional: 9, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 4687, Positive cache size: 4680, Positive conditional cache size: 0, Positive unconditional cache size: 4680, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 9, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 44, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4726, independent: 4719, independent conditional: 0, independent unconditional: 4719, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 4783, independent: 4767, independent conditional: 48, independent unconditional: 4719, dependent: 16, dependent conditional: 9, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 4687, Positive cache size: 4680, Positive conditional cache size: 0, Positive unconditional cache size: 4680, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 9, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 162832, independent: 152376, independent conditional: 125949, independent unconditional: 26427, dependent: 10456, dependent conditional: 10301, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 25291, Positive cache size: 25064, Positive conditional cache size: 0, Positive unconditional cache size: 25064, Negative cache size: 227, Negative conditional cache size: 0, Negative unconditional cache size: 227, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 135325, Maximal queried relation: 1, Independence queries for same thread: 5646, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 13656, Number of trivial persistent sets: 11242, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26582, independent: 26427, independent conditional: 0, independent unconditional: 26427, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 162832, independent: 152376, independent conditional: 125949, independent unconditional: 26427, dependent: 10456, dependent conditional: 10301, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 25291, Positive cache size: 25064, Positive conditional cache size: 0, Positive unconditional cache size: 25064, Negative cache size: 227, Negative conditional cache size: 0, Negative unconditional cache size: 227, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 135325, Maximal queried relation: 1, Independence queries for same thread: 5646, Statistics for Abstraction: , Independence relation #3 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 163260, independent: 152786, independent conditional: 126165, independent unconditional: 26621, dependent: 10474, dependent conditional: 10316, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 27096, Positive cache size: 26856, Positive conditional cache size: 0, Positive unconditional cache size: 26856, Negative cache size: 240, Negative conditional cache size: 0, Negative unconditional cache size: 240, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 270822, Maximal queried relation: 1, Independence queries for same thread: 11296, Statistics for Abstraction: , Persistent sets #3 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 13701, Number of trivial persistent sets: 11280, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26779, independent: 26621, independent conditional: 0, independent unconditional: 26621, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 163260, independent: 152786, independent conditional: 126165, independent unconditional: 26621, dependent: 10474, dependent conditional: 10316, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 330875, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 20946, dependent conditional: 20626, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319579, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 9650, dependent conditional: 9330, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 252162, independent unconditional: 57767, dependent: 18980, dependent conditional: 18660, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 328909, independent: 309929, independent conditional: 0, independent unconditional: 309929, dependent: 18980, dependent conditional: 0, dependent unconditional: 18980, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27096, independent: 26856, independent conditional: 0, independent unconditional: 26856, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27096, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 804, dependent conditional: 0, dependent unconditional: 804, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 804, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 942, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 647, dependent conditional: 0, dependent unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 328909, independent: 283073, independent conditional: 0, independent unconditional: 283073, dependent: 18740, dependent conditional: 0, dependent unconditional: 18740, unknown: 27096, unknown conditional: 0, unknown unconditional: 27096] , Statistics on independence cache: Total cache size (in pairs): 27096, Positive cache size: 26856, Positive conditional cache size: 0, Positive unconditional cache size: 26856, Negative cache size: 240, Negative conditional cache size: 0, Negative unconditional cache size: 240, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 270822, Maximal queried relation: 1, Independence queries for same thread: 11296, Statistics for Abstraction: - DataRaceFoundResult [Line: 757]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int idx=0; VAL [idx=0] [L690] 0 int ctr1=1, ctr2=0; VAL [ctr1=1, ctr2=0, idx=0] [L691] 0 int readerprogress1=0, readerprogress2=0; VAL [ctr1=1, ctr2=0, idx=0, readerprogress1=0, readerprogress2=0] [L692] 0 pthread_mutex_t mutex; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L782] 0 pthread_t t1, t2, t3; VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L784] FCALL, FORK 0 pthread_create(&t1, 0, qrcu_reader1, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, t1=-2] [L785] FCALL, FORK 0 pthread_create(&t2, 0, qrcu_reader2, 0) VAL [ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0, t1=-2, t2=-1] [L743] 2 int myidx; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=0] [L744] COND TRUE 2 1 [L745] 2 myidx = idx VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L746] COND TRUE 2 __VERIFIER_nondet_int() VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=1, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=0] [L747] CALL 2 __VERIFIER_atomic_use1(myidx) [L694] EXPR 2 myidx <= 0 && ctr1>0 [L694] EXPR 2 ctr1>0 [L694] EXPR 2 myidx <= 0 && ctr1>0 [L694] CALL 2 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 2 !(!cond) [L694] RET 2 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 2 ctr1++ [L747] RET 2 __VERIFIER_atomic_use1(myidx) [L756] 2 readerprogress2 = 1 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=1] [L757] 2 readerprogress2 = 2 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=2] [L786] FCALL, FORK 0 pthread_create(&t3, 0, qrcu_updater, 0) VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=2, t1=-2, t2=-1, t3=0] [L724] 1 int myidx; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=0, readerprogress2=2] [L725] COND TRUE 1 1 [L726] 1 myidx = idx VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=2] [L727] COND TRUE 1 __VERIFIER_nondet_int() VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=0, readerprogress2=2] [L728] CALL 1 __VERIFIER_atomic_use1(myidx) [L694] EXPR 1 myidx <= 0 && ctr1>0 [L694] EXPR 1 ctr1>0 [L694] EXPR 1 myidx <= 0 && ctr1>0 [L694] CALL 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L3] COND FALSE 1 !(!cond) [L694] RET 1 assume_abort_if_not(myidx <= 0 && ctr1>0) [L695] 1 ctr1++ [L728] RET 1 __VERIFIER_atomic_use1(myidx) [L737] 1 readerprogress1 = 1 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=3, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=1, readerprogress2=2] [L738] 1 readerprogress1 = 2 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=3, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=2, readerprogress2=2] [L739] CALL 1 __VERIFIER_atomic_use_done(myidx) [L702] COND TRUE 1 myidx <= 0 [L702] 1 ctr1-- [L739] RET 1 __VERIFIER_atomic_use_done(myidx) [L740] 1 return 0; VAL [\at(arg, Pre)={0:0}, \result={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=2, readerprogress2=2] [L787] FCALL, JOIN 1 pthread_join(t1, 0) VAL [ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=2, readerprogress2=2, t1=-2, t2=-1, t3=0] [L762] 3 int i; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=2, readerprogress2=2] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=2, readerprogress2=2, readerstart1=0] [L763] 3 int readerstart1=__VERIFIER_nondet_int(), readerstart2=__VERIFIER_nondet_int(); VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=2, readerprogress2=2, readerstart1=0, readerstart2=0] [L764] 3 int sum; VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, readerprogress1=2, readerprogress2=2, readerstart1=0, readerstart2=0] [L765] CALL 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L706] 3 readerstart1 = readerprogress1 [L707] 3 readerstart2 = readerprogress2 [L765] RET 3 __VERIFIER_atomic_take_snapshot(readerstart1, readerstart2) [L757] 2 readerprogress2 = 2 VAL [\at(arg, Pre)={0:0}, arg={0:0}, ctr1=2, ctr2=0, idx=0, mutex={3:0}, myidx=0, readerprogress1=2, readerprogress2=2] Now there is a data race on ~readerprogress2~0 between C: readerstart2 = readerprogress2 [707] and C: readerprogress2 = 2 [757] - UnprovableResult [Line: 745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: qrcu_reader2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 511 locations, 542 edges, 107 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-04-16 03:48:43,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...