./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.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 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 18:29:08,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 18:29:08,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 18:29:08,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 18:29:08,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 18:29:08,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 18:29:08,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 18:29:08,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 18:29:08,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 18:29:08,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 18:29:08,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 18:29:08,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 18:29:08,178 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 18:29:08,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 18:29:08,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 18:29:08,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 18:29:08,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 18:29:08,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 18:29:08,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 18:29:08,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 18:29:08,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 18:29:08,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 18:29:08,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 18:29:08,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 18:29:08,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 18:29:08,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 18:29:08,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 18:29:08,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 18:29:08,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 18:29:08,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 18:29:08,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:29:08,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 18:29:08,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 18:29:08,186 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 18:29:08,187 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 18:29:08,188 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 -> 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 18:29:08,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 18:29:08,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 18:29:08,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 18:29:08,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 18:29:08,469 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 18:29:08,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-10-18 18:29:09,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 18:29:09,952 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 18:29:09,953 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2024-10-18 18:29:09,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8292d483/de368de2cf954c06b37f96e6ea7592ab/FLAG46396690e [2024-10-18 18:29:10,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8292d483/de368de2cf954c06b37f96e6ea7592ab [2024-10-18 18:29:10,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 18:29:10,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 18:29:10,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 18:29:10,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 18:29:10,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 18:29:10,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1345172d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10, skipping insertion in model container [2024-10-18 18:29:10,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 18:29:10,652 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i[30919,30932] [2024-10-18 18:29:10,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:29:10,679 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 18:29:10,709 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i[30919,30932] [2024-10-18 18:29:10,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:29:10,745 INFO L204 MainTranslator]: Completed translation [2024-10-18 18:29:10,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10 WrapperNode [2024-10-18 18:29:10,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 18:29:10,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 18:29:10,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 18:29:10,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 18:29:10,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,791 INFO L138 Inliner]: procedures = 165, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2024-10-18 18:29:10,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 18:29:10,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 18:29:10,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 18:29:10,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 18:29:10,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 18:29:10,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 18:29:10,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 18:29:10,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 18:29:10,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (1/1) ... [2024-10-18 18:29:10,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:29:10,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:29:10,855 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) [2024-10-18 18:29:10,858 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 [2024-10-18 18:29:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-10-18 18:29:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-10-18 18:29:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 18:29:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 18:29:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-18 18:29:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-18 18:29:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-10-18 18:29:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 18:29:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 18:29:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 18:29:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 18:29:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-18 18:29:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-18 18:29:10,904 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 18:29:11,020 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 18:29:11,022 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 18:29:11,182 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 18:29:11,183 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 18:29:11,292 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 18:29:11,293 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 18:29:11,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:29:11 BoogieIcfgContainer [2024-10-18 18:29:11,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 18:29:11,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 18:29:11,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 18:29:11,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 18:29:11,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:29:10" (1/3) ... [2024-10-18 18:29:11,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a5140c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:29:11, skipping insertion in model container [2024-10-18 18:29:11,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:29:10" (2/3) ... [2024-10-18 18:29:11,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a5140c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:29:11, skipping insertion in model container [2024-10-18 18:29:11,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:29:11" (3/3) ... [2024-10-18 18:29:11,300 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2024-10-18 18:29:11,316 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 18:29:11,317 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 18:29:11,317 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 18:29:11,366 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-18 18:29:11,405 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:29:11,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:29:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:29:11,407 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) [2024-10-18 18:29:11,408 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 [2024-10-18 18:29:11,485 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:29:11,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:11,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork2 ======== [2024-10-18 18:29:11,511 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;@515ca54b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:29:11,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:29:12,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:12,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash 975646377, now seen corresponding path program 1 times [2024-10-18 18:29:12,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:12,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87953239] [2024-10-18 18:29:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:12,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:12,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87953239] [2024-10-18 18:29:12,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87953239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:12,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:12,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:29:12,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850546163] [2024-10-18 18:29:12,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:12,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:29:12,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:12,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:12,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:29:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:12,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:12,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:29:12,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:13,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:13,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 18:29:13,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:13,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:13,186 INFO L85 PathProgramCache]: Analyzing trace with hash 268434413, now seen corresponding path program 1 times [2024-10-18 18:29:13,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:13,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728668457] [2024-10-18 18:29:13,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:13,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:13,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:13,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728668457] [2024-10-18 18:29:13,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728668457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:13,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:13,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:29:13,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93247689] [2024-10-18 18:29:13,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:13,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:29:13,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:13,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:29:13,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:29:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:13,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:13,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2024-10-18 18:29:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:13,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:29:13,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 18:29:13,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash -762750702, now seen corresponding path program 1 times [2024-10-18 18:29:13,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899263181] [2024-10-18 18:29:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:13,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:13,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899263181] [2024-10-18 18:29:13,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899263181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:13,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:13,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:29:13,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394177820] [2024-10-18 18:29:13,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:13,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:29:13,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:13,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:29:13,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:29:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:13,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:13,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-10-18 18:29:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 18:29:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1298829787, now seen corresponding path program 1 times [2024-10-18 18:29:13,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:13,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:14,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:14,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:14,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:29:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:29:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:29:14,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-10-18 18:29:14,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:14,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:14,345 INFO L85 PathProgramCache]: Analyzing trace with hash 28788422, now seen corresponding path program 1 times [2024-10-18 18:29:14,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:14,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124708734] [2024-10-18 18:29:14,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:14,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:14,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124708734] [2024-10-18 18:29:14,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124708734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:14,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:14,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:29:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073594666] [2024-10-18 18:29:14,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:14,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:29:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:29:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:29:14,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:14,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:14,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:29:14,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:14,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:29:14,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:29:14,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 18:29:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:29:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:29:14,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 18:29:14,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 18:29:14,770 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-18 18:29:14,772 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork2 was SAFE (1/3) [2024-10-18 18:29:14,774 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:29:14,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:29:14,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:29:14,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 18:29:14,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 18:29:14,807 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:29:14,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:14,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork3 ======== [2024-10-18 18:29:14,809 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;@515ca54b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:29:14,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:29:15,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:15,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash 187022966, now seen corresponding path program 1 times [2024-10-18 18:29:15,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:15,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135796331] [2024-10-18 18:29:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:15,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135796331] [2024-10-18 18:29:15,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135796331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:15,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:15,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:29:15,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465080261] [2024-10-18 18:29:15,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:15,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:29:15,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:29:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:15,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:15,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-18 18:29:15,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:15,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 18:29:15,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:29:15,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:15,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1234827016, now seen corresponding path program 1 times [2024-10-18 18:29:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:29:15,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681351333] [2024-10-18 18:29:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:29:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681351333] [2024-10-18 18:29:15,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681351333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:29:15,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:29:15,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:29:15,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554515575] [2024-10-18 18:29:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:29:15,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 18:29:15,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:29:15,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 18:29:15,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:29:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:15,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:29:15,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2024-10-18 18:29:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:15,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:29:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1298829634, now seen corresponding path program 1 times [2024-10-18 18:29:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:15,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:29:15,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1360512977, now seen corresponding path program 1 times [2024-10-18 18:29:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:15,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:29:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:29:16,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:29:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 18:29:16,284 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 18:29:16,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-18 18:29:16,286 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-18 18:29:16,286 INFO L312 ceAbstractionStarter]: Result for error location readerThread1of1ForFork3 was SAFE (2/3) [2024-10-18 18:29:16,290 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:29:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:29:16,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:29:16,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 18:29:16,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-18 18:29:16,323 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:29:16,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:29:16,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:29:16,325 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;@515ca54b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:29:16,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 18:29:16,837 INFO L85 PathProgramCache]: Analyzing trace with hash -700596918, now seen corresponding path program 1 times [2024-10-18 18:29:16,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:16,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:29:17,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1298829469, now seen corresponding path program 1 times [2024-10-18 18:29:17,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:17,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:29:17,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:29:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:29:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:29:17,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:29:17,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:29:17,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-10-18 18:29:17,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 18:29:17,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 18:29:17,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 18:29:17,265 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-18 18:29:17,265 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (3/3) [2024-10-18 18:29:17,266 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 18:29:17,266 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 18:29:17,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 06:29:17 BasicIcfg [2024-10-18 18:29:17,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 18:29:17,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 18:29:17,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 18:29:17,270 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 18:29:17,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:29:11" (3/4) ... [2024-10-18 18:29:17,271 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 18:29:17,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-10-18 18:29:17,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-10-18 18:29:17,277 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-10-18 18:29:17,278 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-18 18:29:17,278 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-18 18:29:17,278 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 18:29:17,346 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 18:29:17,346 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 18:29:17,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 18:29:17,347 INFO L158 Benchmark]: Toolchain (without parser) took 7024.26ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 132.9MB in the beginning and 192.3MB in the end (delta: -59.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,347 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 18:29:17,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.87ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 110.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.26ms. Allocated memory is still 174.1MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,348 INFO L158 Benchmark]: Boogie Preprocessor took 18.89ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,348 INFO L158 Benchmark]: RCFGBuilder took 480.25ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 121.8MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,351 INFO L158 Benchmark]: TraceAbstraction took 5973.96ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 120.8MB in the beginning and 196.5MB in the end (delta: -75.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,351 INFO L158 Benchmark]: Witness Printer took 77.08ms. Allocated memory is still 257.9MB. Free memory was 196.5MB in the beginning and 192.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 18:29:17,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.87ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 110.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.26ms. Allocated memory is still 174.1MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.89ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.25ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 121.8MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5973.96ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 120.8MB in the beginning and 196.5MB in the end (delta: -75.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 77.08ms. Allocated memory is still 257.9MB. Free memory was 196.5MB in the beginning and 192.3MB in the end (delta: 4.2MB). 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: 10968, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 83, dependent conditional: 47, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 182, dependent conditional: 110, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1713, independent conditional: 32, independent unconditional: 1681, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1243, independent: 507, independent conditional: 89, independent unconditional: 417, dependent: 736, dependent conditional: 58, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11067, independent: 9172, independent conditional: 1406, independent unconditional: 7766, dependent: 136, dependent conditional: 36, dependent unconditional: 100, unknown: 1759, unknown conditional: 42, unknown unconditional: 1717] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1713, Positive conditional cache size: 32, Positive unconditional cache size: 1681, Negative cache size: 46, Negative conditional cache size: 10, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7711, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 182, dependent conditional: 110, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1713, independent conditional: 32, independent unconditional: 1681, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1243, independent: 507, independent conditional: 89, independent unconditional: 417, dependent: 736, dependent conditional: 58, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11067, independent: 9172, independent conditional: 1406, independent unconditional: 7766, dependent: 136, dependent conditional: 36, dependent unconditional: 100, unknown: 1759, unknown conditional: 42, unknown unconditional: 1717] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1713, Positive conditional cache size: 32, Positive unconditional cache size: 1681, Negative cache size: 46, Negative conditional cache size: 10, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7711 ], Independence queries for same thread: 23, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 656, Number of trivial persistent sets: 241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1717, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10968, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 83, dependent conditional: 47, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10945, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 60, dependent conditional: 24, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 182, dependent conditional: 110, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1713, independent conditional: 32, independent unconditional: 1681, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1243, independent: 507, independent conditional: 89, independent unconditional: 417, dependent: 736, dependent conditional: 58, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11067, independent: 9172, independent conditional: 1406, independent unconditional: 7766, dependent: 136, dependent conditional: 36, dependent unconditional: 100, unknown: 1759, unknown conditional: 42, unknown unconditional: 1717] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1713, Positive conditional cache size: 32, Positive unconditional cache size: 1681, Negative cache size: 46, Negative conditional cache size: 10, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7711, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 9085, independent unconditional: 1800, dependent: 182, dependent conditional: 110, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11067, independent: 10885, independent conditional: 1438, independent unconditional: 9447, dependent: 182, dependent conditional: 46, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1713, independent conditional: 32, independent unconditional: 1681, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 42, independent conditional: 16, independent unconditional: 26, dependent: 46, dependent conditional: 10, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1243, independent: 507, independent conditional: 89, independent unconditional: 417, dependent: 736, dependent conditional: 58, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11067, independent: 9172, independent conditional: 1406, independent unconditional: 7766, dependent: 136, dependent conditional: 36, dependent unconditional: 100, unknown: 1759, unknown conditional: 42, unknown unconditional: 1717] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1713, Positive conditional cache size: 32, Positive unconditional cache size: 1681, Negative cache size: 46, Negative conditional cache size: 10, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7711 ], Independence queries for same thread: 23 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5320, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 58, dependent conditional: 22, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 88, dependent conditional: 16, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1599, independent: 1561, independent conditional: 32, independent unconditional: 1529, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1520, independent conditional: 0, independent unconditional: 1520, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 709, independent: 293, independent conditional: 92, independent unconditional: 201, dependent: 416, dependent conditional: 10, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5350, independent: 3701, independent conditional: 652, independent unconditional: 3049, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 1599, unknown conditional: 34, unknown unconditional: 1565] , Statistics on independence cache: Total cache size (in pairs): 1599, Positive cache size: 1561, Positive conditional cache size: 32, Positive unconditional cache size: 1529, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3016, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 88, dependent conditional: 16, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1599, independent: 1561, independent conditional: 32, independent unconditional: 1529, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1520, independent conditional: 0, independent unconditional: 1520, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 709, independent: 293, independent conditional: 92, independent unconditional: 201, dependent: 416, dependent conditional: 10, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5350, independent: 3701, independent conditional: 652, independent unconditional: 3049, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 1599, unknown conditional: 34, unknown unconditional: 1565] , Statistics on independence cache: Total cache size (in pairs): 1599, Positive cache size: 1561, Positive conditional cache size: 32, Positive unconditional cache size: 1529, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3016 ], Independence queries for same thread: 20, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 323, Number of trivial persistent sets: 94, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1565, independent: 1529, independent conditional: 0, independent unconditional: 1529, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5320, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 58, dependent conditional: 22, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5300, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 88, dependent conditional: 16, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1599, independent: 1561, independent conditional: 32, independent unconditional: 1529, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1520, independent conditional: 0, independent unconditional: 1520, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 709, independent: 293, independent conditional: 92, independent unconditional: 201, dependent: 416, dependent conditional: 10, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5350, independent: 3701, independent conditional: 652, independent unconditional: 3049, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 1599, unknown conditional: 34, unknown unconditional: 1565] , Statistics on independence cache: Total cache size (in pairs): 1599, Positive cache size: 1561, Positive conditional cache size: 32, Positive unconditional cache size: 1529, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3016, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 3688, independent unconditional: 1574, dependent: 88, dependent conditional: 16, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5350, independent: 5262, independent conditional: 684, independent unconditional: 4578, dependent: 88, dependent conditional: 4, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1599, independent: 1561, independent conditional: 32, independent unconditional: 1529, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1520, independent conditional: 0, independent unconditional: 1520, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 41, independent conditional: 15, independent unconditional: 26, dependent: 38, dependent conditional: 2, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 709, independent: 293, independent conditional: 92, independent unconditional: 201, dependent: 416, dependent conditional: 10, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5350, independent: 3701, independent conditional: 652, independent unconditional: 3049, dependent: 50, dependent conditional: 2, dependent unconditional: 48, unknown: 1599, unknown conditional: 34, unknown unconditional: 1565] , Statistics on independence cache: Total cache size (in pairs): 1599, Positive cache size: 1561, Positive conditional cache size: 32, Positive unconditional cache size: 1529, Negative cache size: 38, Negative conditional cache size: 2, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3016 ], Independence queries for same thread: 20 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2757, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 36, dependent conditional: 7, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 63, dependent conditional: 5, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1390, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1390, independent: 1341, independent conditional: 0, independent unconditional: 1341, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 545, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2784, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1390, unknown conditional: 0, unknown unconditional: 1390] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1054, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 63, dependent conditional: 5, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1390, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1390, independent: 1341, independent conditional: 0, independent unconditional: 1341, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 545, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2784, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1390, unknown conditional: 0, unknown unconditional: 1390] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1054 ], Independence queries for same thread: 5, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 339, Number of trivial persistent sets: 339, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1389, independent: 1364, independent conditional: 0, independent unconditional: 1364, 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: 2757, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 36, dependent conditional: 7, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2752, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 63, dependent conditional: 5, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1390, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1390, independent: 1341, independent conditional: 0, independent unconditional: 1341, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 545, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2784, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1390, unknown conditional: 0, unknown unconditional: 1390] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1054, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 1049, independent unconditional: 1672, dependent: 63, dependent conditional: 5, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2784, independent: 2721, independent conditional: 0, independent unconditional: 2721, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1390, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1390, independent: 1341, independent conditional: 0, independent unconditional: 1341, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 545, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 359, dependent conditional: 0, dependent unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2784, independent: 1357, independent conditional: 0, independent unconditional: 1357, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1390, unknown conditional: 0, unknown unconditional: 1390] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1364, Positive conditional cache size: 0, Positive unconditional cache size: 1364, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1054 ], Independence queries for same thread: 5 - PositiveResult [Line: 710]: 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, 76 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.6s, 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: 30, 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, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 76 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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: 12, 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 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: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 76 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, 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: 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 5, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 18:29:17,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-10-18 18:29:17,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-10-18 18:29:17,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 18:29:17,986 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