./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-12 23:33:06,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 23:33:07,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-12 23:33:07,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 23:33:07,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 23:33:07,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 23:33:07,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 23:33:07,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 23:33:07,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 23:33:07,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 23:33:07,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 23:33:07,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 23:33:07,062 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 23:33:07,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 23:33:07,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 23:33:07,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 23:33:07,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 23:33:07,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 23:33:07,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 23:33:07,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 23:33:07,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 23:33:07,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 23:33:07,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 23:33:07,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 23:33:07,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 23:33:07,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 23:33:07,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 23:33:07,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 23:33:07,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 23:33:07,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 23:33:07,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-12 23:33:07,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 23:33:07,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 23:33:07,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-12 23:33:07,085 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-12 23:33:07,085 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-12 23:33:07,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-12 23:33:07,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 23:33:07,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 23:33:07,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 23:33:07,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 23:33:07,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 23:33:07,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-12 23:33:08,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 23:33:09,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 23:33:09,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-12 23:33:09,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd1804cca/2de0f11a4c5942d783504888ff07096e/FLAGc2e9d137c [2024-11-12 23:33:09,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bd1804cca/2de0f11a4c5942d783504888ff07096e [2024-11-12 23:33:09,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 23:33:09,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 23:33:09,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 23:33:09,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 23:33:09,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 23:33:09,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278d566f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09, skipping insertion in model container [2024-11-12 23:33:09,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 23:33:09,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[30145,30158] [2024-11-12 23:33:09,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 23:33:09,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 23:33:09,552 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[30145,30158] [2024-11-12 23:33:09,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 23:33:09,602 INFO L204 MainTranslator]: Completed translation [2024-11-12 23:33:09,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09 WrapperNode [2024-11-12 23:33:09,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 23:33:09,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 23:33:09,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 23:33:09,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 23:33:09,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,652 INFO L138 Inliner]: procedures = 163, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-12 23:33:09,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 23:33:09,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 23:33:09,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 23:33:09,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 23:33:09,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 23:33:09,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 23:33:09,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 23:33:09,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 23:33:09,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (1/1) ... [2024-11-12 23:33:09,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-12 23:33:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-12 23:33:09,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-12 23:33:09,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-12 23:33:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-12 23:33:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-12 23:33:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 23:33:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-12 23:33:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-12 23:33:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-12 23:33:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 23:33:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 23:33:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 23:33:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-12 23:33:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-12 23:33:09,762 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 23:33:09,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 23:33:09,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 23:33:10,022 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 23:33:10,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 23:33:10,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 23:33:10,145 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 23:33:10,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:33:10 BoogieIcfgContainer [2024-11-12 23:33:10,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 23:33:10,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 23:33:10,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 23:33:10,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 23:33:10,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:33:09" (1/3) ... [2024-11-12 23:33:10,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234f1736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:33:10, skipping insertion in model container [2024-11-12 23:33:10,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:09" (2/3) ... [2024-11-12 23:33:10,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234f1736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:33:10, skipping insertion in model container [2024-11-12 23:33:10,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:33:10" (3/3) ... [2024-11-12 23:33:10,155 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-12 23:33:10,171 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 23:33:10,172 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 23:33:10,172 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 23:33:10,268 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-12 23:33:10,346 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:10,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-12 23:33:10,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-12 23:33:10,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-12 23:33:10,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-12 23:33:10,373 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-12 23:33:10,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork2 ======== [2024-11-12 23:33:10,389 INFO L333 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;@560ba59c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:10,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 23:33:11,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:11,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:11,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1663704952, now seen corresponding path program 1 times [2024-11-12 23:33:11,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:11,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700190013] [2024-11-12 23:33:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:11,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:11,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700190013] [2024-11-12 23:33:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700190013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462660307] [2024-11-12 23:33:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:11,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:11,598 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:11,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-12 23:33:11,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 23:33:12,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:12,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:12,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1685648566, now seen corresponding path program 1 times [2024-11-12 23:33:12,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:12,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4147808] [2024-11-12 23:33:12,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:12,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:12,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4147808] [2024-11-12 23:33:12,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4147808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:12,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:12,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:12,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240904137] [2024-11-12 23:33:12,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:12,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:12,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:12,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:12,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-12 23:33:12,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 23:33:12,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:12,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:12,270 INFO L85 PathProgramCache]: Analyzing trace with hash 227028781, now seen corresponding path program 1 times [2024-11-12 23:33:12,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:12,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645672503] [2024-11-12 23:33:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:12,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:12,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:12,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645672503] [2024-11-12 23:33:12,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645672503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:12,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:12,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:12,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863903856] [2024-11-12 23:33:12,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:12,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:12,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:12,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:12,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,358 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:12,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-12 23:33:12,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 23:33:12,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 23:33:12,644 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 23:33:12,647 INFO L317 ceAbstractionStarter]: Result for error location readerThread1of1ForFork2 was SAFE (1/3) [2024-11-12 23:33:12,655 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:12,656 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-12 23:33:12,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork1 ======== [2024-11-12 23:33:12,657 INFO L333 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;@560ba59c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:12,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 23:33:12,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:12,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:12,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1580260723, now seen corresponding path program 1 times [2024-11-12 23:33:12,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:12,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624236539] [2024-11-12 23:33:12,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:12,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:12,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:12,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624236539] [2024-11-12 23:33:12,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624236539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:12,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:12,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425300871] [2024-11-12 23:33:12,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:12,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:12,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:12,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:12,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-12 23:33:12,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 23:33:12,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:12,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1501394223, now seen corresponding path program 1 times [2024-11-12 23:33:12,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:12,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506138249] [2024-11-12 23:33:12,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:12,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:12,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:12,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506138249] [2024-11-12 23:33:12,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506138249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:12,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:12,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367982589] [2024-11-12 23:33:12,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:12,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:12,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:12,922 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:12,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-12 23:33:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 23:33:13,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 23:33:13,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 23:33:13,051 INFO L85 PathProgramCache]: Analyzing trace with hash 7625399, now seen corresponding path program 1 times [2024-11-12 23:33:13,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 23:33:13,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642849185] [2024-11-12 23:33:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 23:33:13,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 23:33:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 23:33:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 23:33:13,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 23:33:13,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642849185] [2024-11-12 23:33:13,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642849185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 23:33:13,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 23:33:13,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 23:33:13,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141921510] [2024-11-12 23:33:13,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 23:33:13,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 23:33:13,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 23:33:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 23:33:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 23:33:13,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:13,087 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-12 23:33:13,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) 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) [2024-11-12 23:33:13,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-12 23:33:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 23:33:13,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 23:33:13,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 23:33:13,247 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 23:33:13,248 INFO L317 ceAbstractionStarter]: Result for error location readerThread1of1ForFork1 was SAFE (2/3) [2024-11-12 23:33:13,252 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:13,254 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-12 23:33:13,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-12 23:33:13,256 INFO L333 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;@560ba59c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 23:33:13,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 23:33:13,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-11-12 23:33:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-12 23:33:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-12 23:33:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-12 23:33:13,418 INFO L407 BasicCegarLoop]: Path program histogram: [] [2024-11-12 23:33:13,419 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (3/3) [2024-11-12 23:33:13,419 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 23:33:13,420 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 23:33:13,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-12 23:33:13,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:33:13 BasicIcfg [2024-11-12 23:33:13,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 23:33:13,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 23:33:13,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 23:33:13,443 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 23:33:13,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:33:10" (3/4) ... [2024-11-12 23:33:13,445 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 23:33:13,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-12 23:33:13,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-12 23:33:13,453 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-12 23:33:13,453 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-12 23:33:13,454 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 23:33:13,454 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 23:33:13,528 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-12 23:33:13,529 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-12 23:33:13,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 23:33:13,530 INFO L158 Benchmark]: Toolchain (without parser) took 4432.41ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 99.5MB in the beginning and 116.1MB in the end (delta: -16.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,530 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 116.2MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 23:33:13,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.08ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 77.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.23ms. Allocated memory is still 148.9MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,531 INFO L158 Benchmark]: Boogie Preprocessor took 25.27ms. Allocated memory is still 148.9MB. Free memory was 75.1MB in the beginning and 73.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,531 INFO L158 Benchmark]: RCFGBuilder took 465.01ms. Allocated memory is still 148.9MB. Free memory was 73.7MB in the beginning and 48.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,531 INFO L158 Benchmark]: TraceAbstraction took 3294.79ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 47.9MB in the beginning and 120.9MB in the end (delta: -73.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,532 INFO L158 Benchmark]: Witness Printer took 85.96ms. Allocated memory is still 226.5MB. Free memory was 120.9MB in the beginning and 116.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 23:33:13,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 116.2MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.08ms. Allocated memory is still 148.9MB. Free memory was 99.5MB in the beginning and 77.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.23ms. Allocated memory is still 148.9MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.27ms. Allocated memory is still 148.9MB. Free memory was 75.1MB in the beginning and 73.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.01ms. Allocated memory is still 148.9MB. Free memory was 73.7MB in the beginning and 48.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3294.79ms. Allocated memory was 148.9MB in the beginning and 226.5MB in the end (delta: 77.6MB). Free memory was 47.9MB in the beginning and 120.9MB in the end (delta: -73.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 85.96ms. Allocated memory is still 226.5MB. Free memory was 120.9MB in the beginning and 116.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2155, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2144, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2144, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1, independent unconditional: 2111, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1, independent unconditional: 2111, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1084, independent: 1051, independent conditional: 1, independent unconditional: 1050, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1084, independent: 1024, independent conditional: 0, independent unconditional: 1024, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 27, independent conditional: 1, independent unconditional: 26, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 27, independent conditional: 1, independent unconditional: 26, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1231, independent: 558, independent conditional: 7, independent unconditional: 551, dependent: 673, dependent conditional: 11, dependent unconditional: 662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2147, independent: 1061, independent conditional: 0, independent unconditional: 1061, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1084, unknown conditional: 2, unknown unconditional: 1082] , Statistics on independence cache: Total cache size (in pairs): 1084, Positive cache size: 1051, Positive conditional cache size: 1, Positive unconditional cache size: 1050, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1064, Maximal queried relation: 2, Independence queries for same thread: 11, Persistent sets #1 benchmarks: Persistent set computation time: 1.3s, Number of persistent set computation: 166, Number of trivial persistent sets: 70, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1081, independent: 1050, independent conditional: 0, independent unconditional: 1050, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2155, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 43, dependent conditional: 12, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2144, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2144, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 32, dependent conditional: 1, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1062, independent unconditional: 1050, dependent: 35, dependent conditional: 4, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1, independent unconditional: 2111, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2147, independent: 2112, independent conditional: 1, independent unconditional: 2111, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1084, independent: 1051, independent conditional: 1, independent unconditional: 1050, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1084, independent: 1024, independent conditional: 0, independent unconditional: 1024, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 27, independent conditional: 1, independent unconditional: 26, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 27, independent conditional: 1, independent unconditional: 26, dependent: 33, dependent conditional: 1, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1231, independent: 558, independent conditional: 7, independent unconditional: 551, dependent: 673, dependent conditional: 11, dependent unconditional: 662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2147, independent: 1061, independent conditional: 0, independent unconditional: 1061, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1084, unknown conditional: 2, unknown unconditional: 1082] , Statistics on independence cache: Total cache size (in pairs): 1084, Positive cache size: 1051, Positive conditional cache size: 1, Positive unconditional cache size: 1050, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1064, Maximal queried relation: 2, Independence queries for same thread: 11 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 47, dependent conditional: 16, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3767, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3767, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 47, dependent conditional: 16, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2, independent unconditional: 3728, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2, independent unconditional: 3728, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 177, independent: 176, independent conditional: 1, independent unconditional: 175, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 177, independent: 172, independent conditional: 0, independent unconditional: 172, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 51, independent conditional: 7, independent unconditional: 45, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3777, independent: 3554, independent conditional: 1, independent unconditional: 3553, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 177, unknown conditional: 2, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1226, Positive conditional cache size: 1, Positive unconditional cache size: 1225, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2565, Maximal queried relation: 2, Independence queries for same thread: 10, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 452, Number of trivial persistent sets: 231, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1208, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 47, dependent conditional: 16, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3767, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3767, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2553, independent unconditional: 1177, dependent: 47, dependent conditional: 16, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2, independent unconditional: 3728, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3777, independent: 3730, independent conditional: 2, independent unconditional: 3728, dependent: 47, dependent conditional: 2, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 177, independent: 176, independent conditional: 1, independent unconditional: 175, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 177, independent: 172, independent conditional: 0, independent unconditional: 172, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 51, independent conditional: 7, independent unconditional: 45, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3777, independent: 3554, independent conditional: 1, independent unconditional: 3553, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 177, unknown conditional: 2, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1226, Positive conditional cache size: 1, Positive unconditional cache size: 1225, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2565, Maximal queried relation: 2, Independence queries for same thread: 10 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3502, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 0, independent unconditional: 3378, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 0, independent unconditional: 3378, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3457, independent: 3325, independent conditional: 0, independent unconditional: 3325, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 1313, Positive cache size: 1278, Positive conditional cache size: 0, Positive unconditional cache size: 1278, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2355, Maximal queried relation: 0, Independence queries for same thread: 45, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 770, Number of trivial persistent sets: 770, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, independent: 1077, independent conditional: 0, independent unconditional: 1077, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3502, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 2301, independent unconditional: 1077, dependent: 79, dependent conditional: 54, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 0, independent unconditional: 3378, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3457, independent: 3378, independent conditional: 0, independent unconditional: 3378, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3457, independent: 3325, independent conditional: 0, independent unconditional: 3325, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 1313, Positive cache size: 1278, Positive conditional cache size: 0, Positive unconditional cache size: 1278, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2355, Maximal queried relation: 0, Independence queries for same thread: 45 - PositiveResult [Line: 685]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 64 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 64 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 23:33:13,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE